Updated IM status and pic

Author: marshka

_data/people.yml

@@ -43,7 +43,7 @@
   name: Ivan
   surname: Marisca
   group: team
-  role: Ph.D. Candidate
+  role: Research Affiliate
   description: He studies the interplay between graph deep learning and irregular spatiotemporal data.
   links:
     website: https://marshka.github.io/